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Obstacle avoidance and velocity control of mobile robots

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1 Author(s)
Gyula Mester ; University of Szeged, Department of Informatics, Hungary

This paper gives the fuzzy velocity control of a mobile robot motion in an unknown environment with obstacles. The model of the vehicle has two driving wheels and the angular velocities of the two wheels are independently controlled. When the vehicle is moving towards the target and the sensors detect an obstacle, an avoiding strategy and velocity control are necessary. We proposed a fuzzy reactive navigation strategy of collision-free motion and velocity control in an unknown environment with obstacles. Outputs of the fuzzy controller are the angular speed difference between the left and right wheels of the vehicle and the vehicle velocity. The simulation results show the effectiveness and the validity of the obstacle avoidance behavior in an unknown environment and velocity control of the proposed fuzzy control strategy.

Published in:

2008 6th International Symposium on Intelligent Systems and Informatics

Date of Conference:

26-27 Sept. 2008